21331904

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1$

素因数の和:373

約数の個数: 56

約数和(自身を含む): 46713648

約数和(自身を除く): 25381744

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 157, 176, 193, 314, 352, 386, 628, 704, 772, 1256, 1544, 1727, 2123, 2512, 3088, 3454, 4246, 5024, 6176, 6908, 8492, 10048, 12352, 13816, 16984, 27632, 30301, 33968, 55264, 60602, 67936, 110528, 121204, 135872, 242408, 333311, 484816, 666622, 969632, 1333244, 1939264, 2666488, 5332976, 10665952, 21331904]

約数ペア:

[(1, 21331904), (2, 10665952), (4, 5332976), (8, 2666488), (11, 1939264), (16, 1333244), (22, 969632), (32, 666622), (44, 484816), (64, 333311), (88, 242408), (157, 135872), (176, 121204), (193, 110528), (314, 67936), (352, 60602), (386, 55264), (628, 33968), (704, 30301), (772, 27632), (1256, 16984), (1544, 13816), (1727, 12352), (2123, 10048), (2512, 8492), (3088, 6908), (3454, 6176), (4246, 5024)]